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Table 1 Patient characteristics

From: Boussignac continuous positive airway pressure for the management of acute cardiogenic pulmonary edema: prospective study with a retrospective control group

  Control BCPAP p-value
N 66 108  
Duration of the study 1 year 2 years  
Age in yrs, mean, ± SD 72 ± 11 72 ± 11 -
Male, n (%) 46 (70) 69 (64) -
Medication, n (%)    
   Loop-diuretics 56 (85) 97 (90) -
   Opioids 34 (51) 47 (44) -
   Nitroglycerine 29 (44) 39 (36) -
Admission CCU, n (%) 35 (53) 84 (78) < 0.01
Admission ICU, n (%) 31 (47) 24 (22) < 0.01
CCU stay in days, median (IQR) 3 (2–5) 2 (2–3) -
CCU stay in days, mean (SD) 2.0 (2.3) 2.3 (2.7) -
ICU stay in days, median (IQR) 2 (2–5) 4 (2–7) < 0.01
ICU stay in days, mean (SD) 2.0 (3.5) 1.3 (3.4) -
Hospital stay in days, median (IQR) 16 (8–24) 8 (2–16) < 0.01
Hospital stay in days, mean (SD) 20.2 (23.5) 13.9 (17.9) 0.047
Hospital survivors, n of total (%) 50 (76) 84 (78) -
6 month survival, n of total (%) 49 (74) 81 (75) -
  1. Comparison of the two patients groups studied with intention-to-treat analysis. The median CCU and ICU stay is only given for those patients who were admitted to the CCU and ICU respectively. In contrast, the mean CCU and ICU stay are calculated for the whole group. Comparisons were performed with the Fisher exact test, Chi-square test, Student-t test and the Mann Whitney test. IQR = Interquartile range.